Cup lid



FIG. 1 is a front elevation view of the cup lid;

FIG. 2 is a back elevation view of the cup lid;

FIG. 3 is a left side elevation view of the cup lid;

FIG. 4 is a top plan view of the cup lid;

FIG. 5 is a side cross-sectional view of the cup lid taken substantially in the direction of line 5.5 FIG. 4 ;

FIG. 6 is a front, left perspective view of the cup lid with the flap in the closed position;

FIG. 7 is a front, left perspective view of the cup lid with the flap in a partially opened position; and,

FIG. 8 is a front, left perspective view of the cup lid with the flap in the fully opened position. 

CLAIM The ornamental design for a cup lid, as shown and described. 